Compare 640164 vs 640171

Property	640164	640171
Type	composite number	semiprime
Unique factors	4	2
Total factors	5	2
Prime factorization	2² × 3¹ × 7¹ × 7621¹	7¹ × 91453¹
Prime factorization	2 × 2 × 3 × 7 × 7621	7 × 91453
Divisors count	24	4
Divisors	1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 7621, 15242, 22863, 30484, 45726, 53347, 91452, 106694, 160041, 213388, 320082, 640164	1, 7, 91453, 640171
Number of properties	0	1
Semiprimes		137178th
Roman numberals
Base 2	10011100010010100100₂	10011100010010101011₂
Base 3	1012112010210₃	1012112011001₃
Base 4	2130102210₄	2130102223₄
Base 5	130441124₅	130441141₅
Base 6	21415420₆	21415431₆
Base 7	5304240₇	5304250₇
Base 8	2342244₈	2342253₈
Base 9	1175123₉	1175131₉
Base 10	640164₁₀	640171₁₀
Base 11	3a7a68₁₁	3a7a74₁₁
Base 12	26a570₁₂	26a577₁₂
Base 13	1954c5₁₃	1954cc₁₃
Base 14	129420₁₄	129427₁₄
Base 15	c9a29₁₅	c9a31₁₅
Base 16	9c4a4₁₆	9c4ab₁₆